in final slag, the content of tricalcium silicate increase 60%, the content of calcium ferrite decrease 25%, the microstructure turn from granular into interweave structure.
终渣中硅酸三钙含量升高了60%,铁酸钙含量降低了25%,显微结构由粒状结构转为网络状结构。
the quality of the slag was graded by its content of tricalcium silicate and free lime.